★ SOSA · Diagnostic Centres & Scent
A diagnostic centre can be spotlessly clean and still feel clinical. A clean, understated signature in the patient-facing public areas - reception, billing, waiting and health-check lounges - makes the environment feel modern and reassuring, while sample-collection, pathology and imaging rooms stay neutral and fragrance-free. This is purely about a calmer, more premium patient environment - SOSA makes no medical, diagnostic or air-purification claims
★ ★ ★ ★ ★
★★★★★
"Our centre was spotless but still felt very clinical. One clean, subtle signature in reception and the waiting area made it feel modern and reassuring - without ever smelling like a hotel or a perfume store, and we kept the sample rooms completely neutral."
SOSA Vaayu · diagnostic reception
★★★★★
"We kept the signature only in reception, billing and the waiting lounge and left blood-collection and the scan rooms fragrance-free. The Vaayu on a timer holds it evenly all day with nobody spraying anything."
SOSA Vaayu · public zones only
★★★★★
"Our AC waiting hall used to smell of disinfectant and got stale by evening. Once we sorted ventilation and cleaning, a light signature kept the space feeling fresh and considered."
SOSA Vaayu · aired first, then scent
★★★★★
"Our executive health-check lounge needed to feel like a premium experience. A clean, understated signature made it feel calm and high-end while staying appropriately medical."
SOSA Vaayu · health-check lounge
★★★★★
"We run five centres. One consistent, discreet signature in every reception makes the brand feel recognisable the moment a patient walks in, sized per centre."
SOSA Vaayu · multi-centre chain
★★★★★
"Reed diffusers were only noticeable at the desk. For a busy reception with patients coming and going all day, active cold-air was the honest answer - even, subtle and consistent."
SOSA Vaayu · busy reception
★★★★★
"Our centre was spotless but still felt very clinical. One clean, subtle signature in reception and the waiting area made it feel modern and reassuring - without ever smelling like a hotel or a perfume store, and we kept the sample rooms completely neutral."
SOSA Vaayu · diagnostic reception
★★★★★
"We kept the signature only in reception, billing and the waiting lounge and left blood-collection and the scan rooms fragrance-free. The Vaayu on a timer holds it evenly all day with nobody spraying anything."
SOSA Vaayu · public zones only
★★★★★
"Our AC waiting hall used to smell of disinfectant and got stale by evening. Once we sorted ventilation and cleaning, a light signature kept the space feeling fresh and considered."
SOSA Vaayu · aired first, then scent
★★★★★
"Our executive health-check lounge needed to feel like a premium experience. A clean, understated signature made it feel calm and high-end while staying appropriately medical."
SOSA Vaayu · health-check lounge
★★★★★
"We run five centres. One consistent, discreet signature in every reception makes the brand feel recognisable the moment a patient walks in, sized per centre."
SOSA Vaayu · multi-centre chain
★★★★★
"Reed diffusers were only noticeable at the desk. For a busy reception with patients coming and going all day, active cold-air was the honest answer - even, subtle and consistent."
SOSA Vaayu · busy reception
✓ Reed diffuser / room spray - passive or short-lived; only noticeable at the desk and cannot hold a busy reception all day ✓ SOSA Vaayu - active cold-air, one even, subtle signature across the patient-facing areas up to ~2000-3000 sq ft, on a timer ✓ A disinfectant, stale-AC or musty smell - cleaning, ventilation and HVAC at source, not fragrance
Founder Diaries · Diagnostic Centres & Scent
Why one signature rather than letting each branch differ? Because consistency is the point of a signature. The value comes from a patient recognising the same clean impression in any of your receptions - that is what makes it a brand asset rather than just a nice smell. Five different scents give you five pleasant but unrelated experiences and no recognition. It also simplifies everything operationally: one oil to stock, one standard to train staff on, one thing to get right. The only variation between branches should be intensity, matched to each space - not the scent itself.
Won't the same scent feel too strong in my smaller branches? Only if you run it at the same intensity everywhere, which is the mistake to avoid. The signature is the same; the setting is not. A small branch holds far less air, so the machine runs lower, or a compact device does the job, so the scent reads at the same subtle level a patient experiences in a larger branch. Sizing per branch - keeping smaller centres deliberately lighter - is exactly how you keep one signature consistent without it ever becoming overpowering in the smallest space.
Shop Vaayu ₹11,999
Facts verified August 2026 (SOSA product pages): The SOSA Safar is a compact, cordless, rechargeable waterless cold-diffusion perfume diffuser priced at ₹3,999; it runs up to about 10 hours continuously or 30 hours intermittently on a single charge, has 3 speed settings and a 1h/2h/3h auto-off timer, and ships with three SOSA Hotel Collection hotel-inspired oils. It is a small-space device and is not rated to fill a large open floor evenly. The SOSA Vaayu is a waterless cold-air diffuser priced at ₹11,999 that atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft) per open area, with a 400ml tank (four 100ml oils included) that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation; a very large central waiting hall may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-floor facility generally needs one machine per zone. A reed diffuser (from about ₹749) is passive and cannot be adjusted in strength. Fragrance projection depends on the volume of air and on ventilation - a closed, air-conditioned room holds scent while open doors, automatic entrances and central AC move it around - so the same floor area can need different power. In a diagnostic, pathology or imaging setting a signature scent is ambience only, and only in the patient-facing public areas: SOSA makes no medical, diagnostic, therapeutic, sterilising, disinfecting, antibacterial or air-purification claim of any kind, and a scent does not affect patients, samples, results or health - it makes the reception and waiting environment feel calmer and more premium, nothing more. Sample-collection, pathology, laboratory and imaging (MRI, CT, ultrasound, X-ray) areas should be kept neutral and fragrance-free. A disinfectant, stale-AC, musty or occupancy odour is managed with cleaning, ventilation, HVAC and moisture control at source first; a signature scent is the finishing layer on clean, well-aired air, never a mask. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.
Across five centres the instinct to give each one its own character is understandable, but it works against you - a single consistent signature is one of the quiet ways a growing brand becomes recognisable, so the same scent in every reception is the right call; the real work is not choosing five scents, it is sizing one scent correctly for five different-sized spaces so the smallest branch is never overpowered.
Quick answers — read this first
Should every branch of my five diagnostic centres use the same signature fragrance? Yes - one signature across all five is the right call, because a consistent scent is one of the quiet ways a brand becomes recognisable; a patient who visits two of your branches should get the same reassuring first impression in both. Giving each branch its own character sounds appealing but it fragments the brand and gains nothing. The real work is not choosing five scents but sizing one scent for five different spaces - the same understated signature, set lighter in a small branch and matched to the air volume in a larger one, so it reads as consistent without the smallest centre ever feeling overpowered. A SOSA Vaayu (Rs 11,999) holds it up to about 2000-3000 sq ft per zone; smaller branches run it lower or on a Safar. Keep sample and scan rooms neutral in every branch. SOSA makes no medical claims.Why one signature rather than letting each branch differ? Because consistency is the point of a signature. The value comes from a patient recognising the same clean impression in any of your receptions - that is what makes it a brand asset rather than just a nice smell. Five different scents give you five pleasant but unrelated experiences and no recognition. It also simplifies everything operationally: one oil to stock, one standard to train staff on, one thing to get right. The only variation between branches should be intensity, matched to each space - not the scent itself.
Won't the same scent feel too strong in my smaller branches? Only if you run it at the same intensity everywhere, which is the mistake to avoid. The signature is the same; the setting is not. A small branch holds far less air, so the machine runs lower, or a compact device does the job, so the scent reads at the same subtle level a patient experiences in a larger branch. Sizing per branch - keeping smaller centres deliberately lighter - is exactly how you keep one signature consistent without it ever becoming overpowering in the smallest space.
The short answer
Short answer: running five diagnostic centres, every branch should use the same signature fragrance - one consistent scent is how a brand becomes recognisable, so a patient gets the same reassuring first impression in any reception. The work is not choosing five scents but sizing one scent for five spaces: the same understated signature, set lighter in smaller branches and matched to air volume in larger ones, so it is never overpowering. A SOSA Vaayu (Rs 11,999) covers up to about 2000-3000 sq ft per zone. Keep sample and scan rooms neutral in every branch. SOSA makes no medical claims.
The range: a reed or a small Safar (₹3,999) suits a small reception; the SOSA Vaayu (₹11,999) holds one even, subtle signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft on a schedule; the Angaan (₹25,999) for a very large waiting hall; one machine per zone, and clinical rooms stay neutral.
Next step: shop the SOSA Vaayu, or send us the floor plan - public zones, clinical rooms, sizes and HVAC - and we will zone and quote it.
In this guide
A diagnostic centre, pathology lab or imaging facility can be immaculately clean and still feel cold and clinical to the patient waiting in it. The opportunity is in the patient-facing public areas - reception, billing, the waiting room, health-check lounges, corridors and report collection - where a clean, understated signature makes the space feel modern, calm and reassuring, kept deliberately light so it never reads like a hotel lobby, a spa or a perfume store, and never a scent a patient would register as sprayed. Crucially, the clinical spaces are left alone: sample-collection and blood-draw rooms, the pathology lab, and MRI, CT, ultrasound and X-ray areas stay neutral and fragrance-free, with the signature zoned so it does not drift into them. The tool is an even, controllable cold-air diffuser - a SOSA Vaayu for a reception or waiting area up to about 2000-3000 sq ft, on a timer so it holds all day at a discreet level; a small reception takes a compact Safar. And any disinfectant, stale-AC or musty smell is fixed with cleaning, ventilation and HVAC at source first - scent is the finishing layer on clean, well-aired air, never a mask. SOSA makes no medical, diagnostic, sterilising or air-purification claims of any kind - this is purely about a calmer, more premium patient environment.
Reception & waiting
Where the signature lives
Health-check lounges
SOSA Vaayu · ₹11,999
A small reception
SOSA Safar · ₹3,999
Straight answer
Across five diagnostic centres, should every branch share one signature fragrance?
Yes - one signature across all five is the right call, and the reason is recognition. A consistent scent is one of the quiet ways a growing brand becomes recognisable: a patient who visits two of your branches should get the same clean, reassuring first impression in both, without being able to say why the places feel related. Giving each branch its own character sounds appealing but it quietly works against you - five pleasant but unrelated experiences, no recognition, and five things to manage instead of one. So the scent itself does not vary. What varies is intensity, sized to each branch, and that is where the real work is. Five centres are rarely the same size, and the same signature run at the same setting will feel right in a large reception and too strong in a small one. So the signature stays identical while the delivery is matched to the volume of air in each space: a larger reception runs a SOSA Vaayu (₹11,999), which covers up to about 2000-3000 sq ft per zone, set to hold a subtle level; a smaller branch runs the same machine lower, or a compact Safar (₹3,999), so the scent reads at the same barely-there level a patient experiences in the bigger branch. The principle is that a smaller centre is kept deliberately lighter, never louder, so it is never overpowering - consistency is about the level a patient perceives, not the setting on the dial. Two rules hold across all five, because these are medical settings: keep the signature to the patient-facing public zones and leave sample-collection, pathology and the MRI, CT, ultrasound and X-ray rooms neutral and fragrance-free in every branch; and fix any disinfectant or stale smell at source in whichever branch has it, rather than turning the scent up to cover it. On cost, be careful with promises: the machine anchor is firm (₹11,999) and a 400ml tank lasts up to about 75 days depending on intensity and hours, but a per-branch quantity and a running cost depend on each branch's size, footfall and hours and belong in a quotation, not a blanket figure. And the honest framing: one signature makes the chain feel coherent and considered - it does not, on its own, bring more patients to any branch, and it makes no medical claim. To size one signature across your five branches, send the five layouts with a quick note.
Yes - one signature across all five, because consistency is how a brand becomes recognisable. Vary intensity, not the scent: size each branch to its air volume and keep smaller centres lighter so it is never overpowering. Clinical rooms neutral in every branch.
Start from the zones. A reception, waiting area or health-check lounge wants one clean, subtle signature that holds all day without staff spraying - that is the SOSA Vaayu (₹11,999, up to ~2000-3000 sq ft, on a schedule, kept light). A small reception takes a compact Safar (₹3,999). Keep sample-collection, pathology and scan rooms neutral and fragrance-free. If the centre smells of disinfectant or stale AC, fix cleaning, ventilation and HVAC first - scent is not a mask. A passive reed diffuser is often only noticeable at the desk.
Shop Vaayu
Why one signature across branches works - and how to size it
Running one signature across five branches is two decisions kept separate: hold the scent constant for recognition, and vary only the delivery so each space carries it at the same perceived level. Three principles make that work without the smallest branch suffering.
1
One scent for recognition
Consistency is the whole point
The value of a signature is that it is the same everywhere - a patient recognising the same clean impression in any of your receptions is what turns a nice smell into a brand asset. Five different scents give you five unrelated experiences and no recognition at all, plus five oils to stock and five standards to train. So the scent itself is fixed across all branches. The temptation to let each branch express its own character is the one thing to resist; character across a chain comes from consistency, not variety.
Tip: a signature only works if it is the same in every branch - that sameness is the asset.
2
Vary intensity, not the scent
Size each branch to its air
Five centres are rarely one size, and the same signature at the same setting feels right in a big reception and too strong in a small one. So the scent stays identical and only the delivery changes - a larger branch on a Vaayu held subtle, a smaller branch on the same machine lower or on a compact Safar. The target is the level a patient perceives, which should be the same barely-there signature everywhere, not the number on the dial. Matching intensity to the volume of air is the craft of running one scent across many spaces.
3
Keep the small branches lighter
Never overpowering, never louder
The specific risk in a chain is the smallest branch, where one signature run at a big-branch setting becomes overpowering in a fraction of the air. The rule is simple: smaller centres are kept deliberately lighter, never louder. A patient in your smallest reception should experience the same discreet signature as a patient in your largest - which means less output, not more, in the smaller space. Get that right and one signature reads as consistent and considered across all five, without ever feeling heavy in the compact branches.
Tip: consistency is about what a patient perceives - keep the small branches lighter to match, not louder.
The SOSA principle
One signature across five centres is a brand decision, but running it well is a sizing decision - the scent stays the same, and only the intensity bends to fit each branch's volume of air.
Owners who let each branch differ end up with variety and no recognition. Owners who run one setting everywhere end up overpowering their smallest branch. The answer is one scent, sized per space - same perceived level, different output.
One scent, sized per branch so a small centre is never overpowered
Running one signature across a chain is holding the scent constant for recognition while sizing the delivery per branch - the same barely-there level in every reception, achieved with less output in the small ones and more air-appropriate coverage in the large.
The SOSA scent edit
One signature across five branches
| Scent | Why it suits the mood |
|---|---|
| A different scent per branch | Fragments the brand for no gain - five pleasant but unrelated experiences, no recognition, and five oils and standards to manage. The opposite of what a signature is for. |
| One scent, one setting everywhere | Right scent, wrong delivery - it reads well in the larger branches and overpowering in the smallest, because identical output in less air is a stronger scent. Consistency of perception, not of dial-setting, is the goal. |
| One scent, sized per branch | The right approach - the same understated signature everywhere, delivered on a Vaayu in larger receptions and lower or on a Safar in smaller ones, so every branch reads at the same discreet level; clinical rooms neutral throughout. |
In practice one signature across five branches means the same oil family delivered at the size each space needs: a larger reception, waiting area or health-check lounge up to about 2000-3000 sq ft runs one Vaayu (₹11,999) held subtle; a smaller branch runs the same Vaayu lower or a compact Safar (₹3,999); a very large central waiting hall in your biggest branch runs one per zone or steps up to the Angaan (₹25,999). The Vaayu ships with four clean, hotel-inspired oils, so you choose one understated family once and hold it across the chain. A discreet reed can finish a small closed report desk. Sample, pathology and scan rooms stay neutral in every branch. Because per-branch quantities and running costs depend on each layout, they are planned on a quotation rather than set as a blanket figure across all five.
Matched to your centre
One SOSA Vaayu (₹11,999) holds a clean, subtle signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft, on a schedule - all day and discreet; a small reception takes a Safar, one machine per zone, and clinical rooms stay neutral.
Across a chain, character comes from consistency, not variety. One signature in every reception is what a patient recognises - and the skill is sizing that one scent so the smallest branch feels as considered as the largest, never heavier.
— Sonal Sahani, SOSA
The SOSA scenting range for diagnostic centres
Every SOSA system here is made in India and sized to a real volume of air, and kept deliberately subtle so it reads as professional and reassuring, never like a hotel or spa. A reed or a small Safar suits a small reception; the Vaayu holds one even signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft on a schedule; and the Angaan handles a very large central waiting hall - one machine per zone, and the sample, pathology and imaging rooms kept neutral. A disinfectant or stale-AC smell is fixed with cleaning, ventilation and HVAC first, not scent. Here is the full range.
The SOSA scenting range for diagnostic centres
From a small reception to a large waiting hall - matched to the volume of air, kept deliberately subtle, and zoned so clinical rooms stay neutral
| System | Best for | Why it works | From |
|---|---|---|---|
 SOSA Safar
|
A small reception or billing desk in a compact centre (one enclosed space) | Compact cordless cold-diffusion - a controllable, gentle scent for one small patient-facing room; too small for a large waiting hall | ₹3,999 |
 SOSA Vaayu
|
A reception, waiting area or health-check lounge up to ~2000-3000 sq ft - the workhorse, kept subtle | Active cold-air machine with Bluetooth app & 1h/4h/8h/24h timers - one even signature held all day on a schedule; one per zone, zoned away from clinical rooms | ₹11,999 |
 SOSA Angaan
|
A very large central waiting hall or big multi-service facility (~8,000-10,000 sq ft) | HVAC nebulising diffuser for a very large volume of patient-facing air | ₹25,999 |
How to plan it honestly: a reed diffuser or a room spray is passive or short-lived - fine at a small desk, but it is often only noticeable up close and cannot hold a busy reception with patients coming and going all day. For a reception, waiting area or health-check lounge, one even, subtle signature held all day on a schedule is the job of the SOSA Vaayu (one open area up to about 2000-3000 sq ft), and a large or multi-floor facility runs one machine per zone - scent does not travel across a partition or up a staircase on its own; a very large central waiting hall steps up to the Angaan. Four honest notes for a diagnostics setting. First, scent only the patient-facing public zones - reception, billing, waiting and health-check lounges - and keep sample-collection, pathology and imaging rooms neutral and fragrance-free, with the diffuser placed and zoned so it does not drift into them. Second, if the centre smells of disinfectant, stale AC or damp, fix cleaning, ventilation, HVAC and any moisture at source first; adding a room freshener over disinfectant just reads as two smells at once and can make it worse - scent is the finishing layer on clean, well-aired air, never a mask. Third, keep it deliberately subtle and choose a clean, understated family - fresh, soft-woody or barely-there - never sweet, heavy or perfume-shop, so it never reads like a hotel or spa. And on running cost and multiple centres: the honest anchors are the machine price (Rs 11,999) and that a 400ml tank lasts up to about 75 days depending on intensity and daily hours; a precise monthly figure and multi-branch quantities depend on your area, footfall and hours, so those are planned on a quotation rather than guessed. SOSA makes no medical, diagnostic, sterilising or air-purification claims, and a signature scent does not affect patients, results or health in any way - this is purely about a calmer, more premium patient environment.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
Diagnostic centres are a particular case, and I am careful with them. A pathology lab or an imaging centre can be genuinely spotless and still feel cold and clinical to a patient who is often a little anxious to begin with. The environment they wait in - reception, billing, the waiting room, a health-check lounge - quietly shapes how modern and reassuring the centre feels. But this is a medical setting, so the first rule is restraint and the second is zoning. I would never make a health claim about a scent, and I would never put fragrance where clinical work happens.
So my advice is simple. Scent only the patient-facing public areas - a clean, understated signature in reception and the waiting lounge, kept deliberately light so it never reads like a hotel or a spa, and never a scent a patient registers as sprayed. Keep the sample-collection and blood-draw rooms, the pathology lab, and the MRI, CT, ultrasound and X-ray areas neutral and fragrance-free, and place the diffuser so it does not drift into them. One Vaayu holds a reception or lounge of up to about 2000-3000 sq ft on a schedule, at a low level, all day, with nobody spraying; a small reception takes a compact Safar, and a very large central waiting hall steps up to the Angaan, one machine per zone.
The other thing I am honest about is smell problems. A lot of centres come to me because the place smells of disinfectant by evening, or the AC has gone stale, or the monsoon has left it musty. That is not a fragrance shortage - it is cleaning, ventilation and HVAC, fixed at source first; a freshener sprayed over disinfectant just becomes two smells at once. Only once the air is genuinely clean does a light signature make sense. And to be completely clear: scent makes the environment feel calmer and more premium. It does not diagnose, treat, sterilise, purify the air or affect a patient's health or results in any way - SOSA makes no medical claims of any kind. For a premium executive health-check lounge it can absolutely feel more high-end; for the lab bench it has no place. Everything is alcohol-free and made in India. Send me the floor plan - the public zones, the clinical rooms, the sizes and the HVAC - and I will help you zone it properly.
Frequently asked questions
Should all five of my branches use the same signature scent?
Yes. One consistent signature is how a chain becomes recognisable - a patient should get the same clean, reassuring first impression in any of your receptions. Different scents per branch fragment the brand for no gain. Keep the scent identical everywhere and vary only the intensity to suit each branch's size.
Won't one scent feel too strong in my smaller branches?
Only if you run the same setting everywhere. The scent stays the same; the delivery does not. A smaller branch holds less air, so it runs the machine lower or uses a compact Safar, so a patient experiences the same barely-there level as in a larger branch. Keeping small branches lighter is exactly how one signature stays consistent without overpowering.
How do I keep one scent consistent across different-sized centres?
Match the delivery to the volume of air in each branch while holding the oil and the perceived level constant. Larger receptions run a Vaayu up to about 2000-3000 sq ft held subtle; smaller ones run it lower or on a Safar. The target is the same discreet signature a patient perceives, achieved with different output per space.
Can you give me a per-branch cost for all five?
Not a blanket one. The machine anchor is firm - a Vaayu is Rs 11,999 - and a 400ml tank lasts up to about 75 days depending on intensity and hours. But per-branch quantities and running costs depend on each branch's size, footfall and opening hours, so they are planned on a quotation for your five layouts rather than guessed as one figure.
Does the same zoning rule apply in every branch?
Yes, without exception. In all five branches, scent only the patient-facing public zones - reception, billing, waiting and health-check lounges - and keep sample-collection, pathology and the MRI, CT, ultrasound and X-ray rooms neutral and fragrance-free. One signature across the chain never means scenting clinical rooms in any branch.
One clean, subtle signature in the patient-facing areas - reception, billing, waiting and health-check lounges, held discreetly all day and consistent across every centre; clinical rooms stay neutral, never like a hotel or spa
SOSA — Vaayu a calmer, more premium patient environment
One SOSA Vaayu (₹11,999) per branch holds the same clean, subtle signature up to about 2000-3000 sq ft on a schedule - the same scent across all five, sized so smaller centres run lighter and are never overpowering; ships with four hotel-inspired oils, made in India. Keep clinical rooms neutral in every branch. It makes the chain feel coherent; it makes no medical claim and does not bring more patients.
Shop SOSA Vaayu ₹11,999 → Plan a centre or multi-branch rollout
Continue the read
More from SOSA
- SOSA Vaayu - one even, subtle signature across a reception or lounge (₹11,999)
- SOSA Safar - a compact scent for a small reception or billing desk (₹3,999)
- SOSA reed diffusers - a passive, subtle touch for a small desk
- Explore all SOSA scent machines & fragrances
- Brand: Founder story — why SOSA exists
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body. Product recommendations reflect the SOSA range; the scenting advice applies to any brand.Facts verified August 2026 (SOSA product pages): The SOSA Safar is a compact, cordless, rechargeable waterless cold-diffusion perfume diffuser priced at ₹3,999; it runs up to about 10 hours continuously or 30 hours intermittently on a single charge, has 3 speed settings and a 1h/2h/3h auto-off timer, and ships with three SOSA Hotel Collection hotel-inspired oils. It is a small-space device and is not rated to fill a large open floor evenly. The SOSA Vaayu is a waterless cold-air diffuser priced at ₹11,999 that atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft) per open area, with a 400ml tank (four 100ml oils included) that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation; a very large central waiting hall may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-floor facility generally needs one machine per zone. A reed diffuser (from about ₹749) is passive and cannot be adjusted in strength. Fragrance projection depends on the volume of air and on ventilation - a closed, air-conditioned room holds scent while open doors, automatic entrances and central AC move it around - so the same floor area can need different power. In a diagnostic, pathology or imaging setting a signature scent is ambience only, and only in the patient-facing public areas: SOSA makes no medical, diagnostic, therapeutic, sterilising, disinfecting, antibacterial or air-purification claim of any kind, and a scent does not affect patients, samples, results or health - it makes the reception and waiting environment feel calmer and more premium, nothing more. Sample-collection, pathology, laboratory and imaging (MRI, CT, ultrasound, X-ray) areas should be kept neutral and fragrance-free. A disinfectant, stale-AC, musty or occupancy odour is managed with cleaning, ventilation, HVAC and moisture control at source first; a signature scent is the finishing layer on clean, well-aired air, never a mask. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.